The locomotive repair works at Debreczen, Hungary, 2 June 44, one of the objectives hit by U.S. Flying ofrtresses (Boeing B-17) which then flew on to land at new U.S. bases in Russia, for the first time.

The 15th AF lost only one B-17 that day on first shuttle mission to Russia: 42-30319 / Shirley our Girlie:
https://b17flyingfortress.de/en/b17/42-30319-shirley-our-girlie/